Plant life cycles & physiology

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Across
  1. 2. Plant with two seed leaves and net-like veins. e.g. hazel.
  2. 7. Species with male and female flowers on separate plants.
  3. 9. Tissue transporting sugars throughout the plant (source to sink).
  4. 10. Species with male and female flowers on the same plant.
  5. 11. Cell division producing gametes with half the chromosomes.
  6. 13. Plant that lives for more than two years.
  7. 15. Plant that completes its life cycle in one growing season.
  8. 18. Developmental stage in plants before reproductive maturity; may show different leaf or bark traits.
  9. 19. First cell formed after fertilisation.
  10. 20. Period when growth and development are temporarily stopped.
  11. 22. In plants, the ageing process of tissues, often seen in leaves before abscission.
Down
  1. 1. First leaf or leaves from a seed embryo, a seed leaf.
  2. 3. Tissue transporting water from roots to leaves.
  3. 4. Plant that completes its life cycle over two years.
  4. 5. Transfer of pollen from anther to stigma.
  5. 6. Cell division producing identical daughter cells.
  6. 8. Leaf pores controlling gas exchange - open when turgid.
  7. 12. Process where a seed begins to grow.
  8. 14. Young plant emerging from a germinated seed.
  9. 16. Fusion of male and female gametes to form a zygote.
  10. 17. Individual flowers contain both male and female reproductive organs.
  11. 21. Plant with one seed leaf and parallel veins, e.g. grass.